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      Question

      A right triangle ABC with sides 5 cm ,12cm and 13cm is

      revolved about the side 12 cm. What is the volume of the solid so obtained?
      A 100Ο€ Correct Answer Incorrect Answer
      B 121Ο€ Correct Answer Incorrect Answer
      C 144Ο€ Correct Answer Incorrect Answer
      D 169Ο€ Correct Answer Incorrect Answer

      Solution

      R = 5cm h= 12cm volume of the cone = 1/3 Ο€r2 h = 1/3 Ο€ Γ—25Γ—12 = 100 Ο€ cm3

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